| //===- lld/unittest/MachOTests/MachONormalizedFileBinaryWriterTests.cpp ---===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../../lib/ReaderWriter/MachO/MachONormalizedFile.h" |
| #include "llvm/ADT/Twine.h" |
| #include "llvm/BinaryFormat/MachO.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "gtest/gtest.h" |
| #include <cassert> |
| #include <memory> |
| #include <system_error> |
| #include <vector> |
| |
| using llvm::StringRef; |
| using llvm::MemoryBuffer; |
| using llvm::SmallString; |
| using llvm::Twine; |
| using llvm::ErrorOr; |
| using namespace llvm::MachO; |
| using namespace lld::mach_o::normalized; |
| |
| // Parses binary mach-o file at specified path and returns |
| // ownership of buffer to mb parameter and ownership of |
| // Normalized file to nf parameter. |
| static void fromBinary(StringRef path, std::unique_ptr<MemoryBuffer> &mb, |
| std::unique_ptr<NormalizedFile> &nf, StringRef archStr) { |
| ErrorOr<std::unique_ptr<MemoryBuffer>> mbOrErr = MemoryBuffer::getFile(path); |
| std::error_code ec = mbOrErr.getError(); |
| EXPECT_FALSE(ec); |
| mb = std::move(mbOrErr.get()); |
| |
| llvm::Expected<std::unique_ptr<NormalizedFile>> r = |
| lld::mach_o::normalized::readBinary( |
| mb, lld::MachOLinkingContext::archFromName(archStr)); |
| EXPECT_FALSE(!r); |
| nf.reset(r->release()); |
| } |
| |
| static Relocation |
| makeReloc(unsigned addr, bool rel, bool ext, RelocationInfoType type, |
| unsigned sym) { |
| Relocation result; |
| result.offset = addr; |
| result.scattered = false; |
| result.type = type; |
| result.length = 2; |
| result.pcRel = rel; |
| result.isExtern = ext; |
| result.value = 0; |
| result.symbol = sym; |
| return result; |
| } |
| |
| static Relocation |
| makeScatReloc(unsigned addr, RelocationInfoType type, unsigned value) { |
| Relocation result; |
| result.offset = addr; |
| result.scattered = true; |
| result.type = type; |
| result.length = 2; |
| result.pcRel = false; |
| result.isExtern = true; |
| result.value = value; |
| result.symbol = 0; |
| return result; |
| } |
| |
| static Symbol |
| makeUndefSymbol(StringRef name) { |
| Symbol sym; |
| sym.name = name; |
| sym.type = N_UNDF; |
| sym.scope = N_EXT; |
| sym.sect = NO_SECT; |
| sym.desc = 0; |
| sym.value = 0; |
| return sym; |
| } |
| |
| |
| static Symbol |
| makeSymbol(StringRef name, unsigned addr) { |
| Symbol sym; |
| sym.name = name; |
| sym.type = N_SECT; |
| sym.scope = N_EXT; |
| sym.sect = 1; |
| sym.desc = 0; |
| sym.value = addr; |
| return sym; |
| } |
| |
| static Symbol |
| makeThumbSymbol(StringRef name, unsigned addr) { |
| Symbol sym; |
| sym.name = name; |
| sym.type = N_SECT; |
| sym.scope = N_EXT; |
| sym.sect = 1; |
| sym.desc = N_ARM_THUMB_DEF; |
| sym.value = addr; |
| return sym; |
| } |
| |
| TEST(BinaryWriterTest, obj_relocs_x86_64) { |
| SmallString<128> tmpFl; |
| { |
| NormalizedFile f; |
| f.arch = lld::MachOLinkingContext::arch_x86_64; |
| f.fileType = MH_OBJECT; |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; |
| f.os = lld::MachOLinkingContext::OS::macOSX; |
| f.sections.resize(1); |
| Section& text = f.sections.front(); |
| text.segmentName = "__TEXT"; |
| text.sectionName = "__text"; |
| text.type = S_REGULAR; |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS); |
| text.alignment = 16; |
| text.address = 0; |
| const uint8_t textBytes[] = { |
| 0xe8, 0x00, 0x00, 0x00, 0x00, 0x48, 0x8b, 0x05, |
| 0x00, 0x00, 0x00, 0x00, 0xff, 0x35, 0x00, 0x00, |
| 0x00, 0x00, 0x8b, 0x05, 0x00, 0x00, 0x00, 0x00, |
| 0xc6, 0x05, 0xff, 0xff, 0xff, 0xff, 0x12, 0xc7, |
| 0x05, 0xfc, 0xff, 0xff, 0xff, 0x78, 0x56, 0x34, |
| 0x12, 0x48, 0x8b, 0x3d, 0x00, 0x00, 0x00, 0x00 }; |
| |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); |
| text.relocations.push_back(makeReloc(0x01, false, true, X86_64_RELOC_BRANCH, 1)); |
| text.relocations.push_back(makeReloc(0x08, false, true, X86_64_RELOC_GOT_LOAD, 1)); |
| text.relocations.push_back(makeReloc(0x0E, false, true, X86_64_RELOC_GOT, 1)); |
| text.relocations.push_back(makeReloc(0x14, false, true, X86_64_RELOC_SIGNED, 1)); |
| text.relocations.push_back(makeReloc(0x1A, false, true, X86_64_RELOC_SIGNED_1, 1)); |
| text.relocations.push_back(makeReloc(0x21, false, true, X86_64_RELOC_SIGNED_4, 1)); |
| text.relocations.push_back(makeReloc(0x2C, false, true, X86_64_RELOC_TLV, 2)); |
| |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); |
| f.undefinedSymbols.push_back(makeUndefSymbol("_tbar")); |
| |
| std::error_code ec = |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); |
| EXPECT_FALSE(ec); |
| llvm::Error ec2 = writeBinary(f, tmpFl); |
| EXPECT_FALSE(ec2); |
| } |
| |
| std::unique_ptr<MemoryBuffer> bufferOwner; |
| std::unique_ptr<NormalizedFile> f2; |
| fromBinary(tmpFl, bufferOwner, f2, "x86_64"); |
| |
| EXPECT_EQ(lld::MachOLinkingContext::arch_x86_64, f2->arch); |
| EXPECT_EQ(MH_OBJECT, f2->fileType); |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); |
| |
| EXPECT_TRUE(f2->localSymbols.empty()); |
| EXPECT_TRUE(f2->globalSymbols.empty()); |
| EXPECT_EQ(2UL, f2->undefinedSymbols.size()); |
| const Symbol& barUndef = f2->undefinedSymbols[0]; |
| EXPECT_TRUE(barUndef.name.equals("_bar")); |
| EXPECT_EQ(N_UNDF, barUndef.type); |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); |
| const Symbol& tbarUndef = f2->undefinedSymbols[1]; |
| EXPECT_TRUE(tbarUndef.name.equals("_tbar")); |
| EXPECT_EQ(N_UNDF, tbarUndef.type); |
| EXPECT_EQ(SymbolScope(N_EXT), tbarUndef.scope); |
| |
| EXPECT_EQ(1UL, f2->sections.size()); |
| const Section& text = f2->sections[0]; |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(text.sectionName.equals("__text")); |
| EXPECT_EQ(S_REGULAR, text.type); |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)text.alignment, 16U); |
| EXPECT_EQ(text.address, Hex64(0x0)); |
| EXPECT_EQ(48UL, text.content.size()); |
| const Relocation& call = text.relocations[0]; |
| EXPECT_EQ(call.offset, Hex32(0x1)); |
| EXPECT_EQ(call.type, X86_64_RELOC_BRANCH); |
| EXPECT_EQ(call.length, 2); |
| EXPECT_EQ(call.isExtern, true); |
| EXPECT_EQ(call.symbol, 1U); |
| const Relocation& gotLoad = text.relocations[1]; |
| EXPECT_EQ(gotLoad.offset, Hex32(0x8)); |
| EXPECT_EQ(gotLoad.type, X86_64_RELOC_GOT_LOAD); |
| EXPECT_EQ(gotLoad.length, 2); |
| EXPECT_EQ(gotLoad.isExtern, true); |
| EXPECT_EQ(gotLoad.symbol, 1U); |
| const Relocation& gotUse = text.relocations[2]; |
| EXPECT_EQ(gotUse.offset, Hex32(0xE)); |
| EXPECT_EQ(gotUse.type, X86_64_RELOC_GOT); |
| EXPECT_EQ(gotUse.length, 2); |
| EXPECT_EQ(gotUse.isExtern, true); |
| EXPECT_EQ(gotUse.symbol, 1U); |
| const Relocation& signed0 = text.relocations[3]; |
| EXPECT_EQ(signed0.offset, Hex32(0x14)); |
| EXPECT_EQ(signed0.type, X86_64_RELOC_SIGNED); |
| EXPECT_EQ(signed0.length, 2); |
| EXPECT_EQ(signed0.isExtern, true); |
| EXPECT_EQ(signed0.symbol, 1U); |
| const Relocation& signed1 = text.relocations[4]; |
| EXPECT_EQ(signed1.offset, Hex32(0x1A)); |
| EXPECT_EQ(signed1.type, X86_64_RELOC_SIGNED_1); |
| EXPECT_EQ(signed1.length, 2); |
| EXPECT_EQ(signed1.isExtern, true); |
| EXPECT_EQ(signed1.symbol, 1U); |
| const Relocation& signed4 = text.relocations[5]; |
| EXPECT_EQ(signed4.offset, Hex32(0x21)); |
| EXPECT_EQ(signed4.type, X86_64_RELOC_SIGNED_4); |
| EXPECT_EQ(signed4.length, 2); |
| EXPECT_EQ(signed4.isExtern, true); |
| EXPECT_EQ(signed4.symbol, 1U); |
| |
| bufferOwner.reset(nullptr); |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); |
| EXPECT_FALSE(ec); |
| } |
| |
| |
| |
| TEST(BinaryWriterTest, obj_relocs_x86) { |
| SmallString<128> tmpFl; |
| { |
| NormalizedFile f; |
| f.arch = lld::MachOLinkingContext::arch_x86; |
| f.fileType = MH_OBJECT; |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; |
| f.os = lld::MachOLinkingContext::OS::macOSX; |
| f.sections.resize(1); |
| Section& text = f.sections.front(); |
| text.segmentName = "__TEXT"; |
| text.sectionName = "__text"; |
| text.type = S_REGULAR; |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS); |
| text.alignment = 16; |
| text.address = 0; |
| const uint8_t textBytes[] = { |
| 0xe8, 0xfb, 0xff, 0xff, 0xff, 0xa1, 0x00, 0x00, |
| 0x00, 0x00, 0x8b, 0xb0, 0xfb, 0xff, 0xff, 0xff, |
| 0x8b, 0x80, 0x11, 0x00, 0x00, 0x00 }; |
| |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); |
| text.relocations.push_back(makeReloc(0x01, true, true, GENERIC_RELOC_VANILLA, 0)); |
| text.relocations.push_back(makeReloc(0x06, false, true, GENERIC_RELOC_VANILLA, 0)); |
| text.relocations.push_back(makeScatReloc(0x0c, GENERIC_RELOC_LOCAL_SECTDIFF, 0)); |
| text.relocations.push_back(makeScatReloc(0x0, GENERIC_RELOC_PAIR, 5)); |
| text.relocations.push_back(makeReloc(0x12, true, true, GENERIC_RELOC_TLV, 1)); |
| |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); |
| f.undefinedSymbols.push_back(makeUndefSymbol("_tbar")); |
| |
| std::error_code ec = |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); |
| EXPECT_FALSE(ec); |
| llvm::Error ec2 = writeBinary(f, tmpFl); |
| EXPECT_FALSE(ec2); |
| } |
| std::unique_ptr<MemoryBuffer> bufferOwner; |
| std::unique_ptr<NormalizedFile> f2; |
| fromBinary(tmpFl, bufferOwner, f2, "i386"); |
| |
| EXPECT_EQ(lld::MachOLinkingContext::arch_x86, f2->arch); |
| EXPECT_EQ(MH_OBJECT, f2->fileType); |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); |
| |
| EXPECT_TRUE(f2->localSymbols.empty()); |
| EXPECT_TRUE(f2->globalSymbols.empty()); |
| EXPECT_EQ(2UL, f2->undefinedSymbols.size()); |
| const Symbol& barUndef = f2->undefinedSymbols[0]; |
| EXPECT_TRUE(barUndef.name.equals("_bar")); |
| EXPECT_EQ(N_UNDF, barUndef.type); |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); |
| const Symbol& tbarUndef = f2->undefinedSymbols[1]; |
| EXPECT_TRUE(tbarUndef.name.equals("_tbar")); |
| EXPECT_EQ(N_UNDF, tbarUndef.type); |
| EXPECT_EQ(SymbolScope(N_EXT), tbarUndef.scope); |
| |
| EXPECT_EQ(1UL, f2->sections.size()); |
| const Section& text = f2->sections[0]; |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(text.sectionName.equals("__text")); |
| EXPECT_EQ(S_REGULAR, text.type); |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)text.alignment, 16U); |
| EXPECT_EQ(text.address, Hex64(0x0)); |
| EXPECT_EQ(22UL, text.content.size()); |
| const Relocation& call = text.relocations[0]; |
| EXPECT_EQ(call.offset, Hex32(0x1)); |
| EXPECT_EQ(call.scattered, false); |
| EXPECT_EQ(call.type, GENERIC_RELOC_VANILLA); |
| EXPECT_EQ(call.pcRel, true); |
| EXPECT_EQ(call.length, 2); |
| EXPECT_EQ(call.isExtern, true); |
| EXPECT_EQ(call.symbol, 0U); |
| const Relocation& absLoad = text.relocations[1]; |
| EXPECT_EQ(absLoad.offset, Hex32(0x6)); |
| EXPECT_EQ(absLoad.scattered, false); |
| EXPECT_EQ(absLoad.type, GENERIC_RELOC_VANILLA); |
| EXPECT_EQ(absLoad.pcRel, false); |
| EXPECT_EQ(absLoad.length, 2); |
| EXPECT_EQ(absLoad.isExtern, true); |
| EXPECT_EQ(absLoad.symbol,0U); |
| const Relocation& pic1 = text.relocations[2]; |
| EXPECT_EQ(pic1.offset, Hex32(0xc)); |
| EXPECT_EQ(pic1.scattered, true); |
| EXPECT_EQ(pic1.type, GENERIC_RELOC_LOCAL_SECTDIFF); |
| EXPECT_EQ(pic1.length, 2); |
| EXPECT_EQ(pic1.value, 0U); |
| const Relocation& pic2 = text.relocations[3]; |
| EXPECT_EQ(pic2.offset, Hex32(0x0)); |
| EXPECT_EQ(pic1.scattered, true); |
| EXPECT_EQ(pic2.type, GENERIC_RELOC_PAIR); |
| EXPECT_EQ(pic2.length, 2); |
| EXPECT_EQ(pic2.value, 5U); |
| const Relocation& tlv = text.relocations[4]; |
| EXPECT_EQ(tlv.offset, Hex32(0x12)); |
| EXPECT_EQ(tlv.type, GENERIC_RELOC_TLV); |
| EXPECT_EQ(tlv.length, 2); |
| EXPECT_EQ(tlv.isExtern, true); |
| EXPECT_EQ(tlv.symbol, 1U); |
| |
| // lld::errs() << "temp = " << tmpFl << "\n"; |
| bufferOwner.reset(nullptr); |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); |
| EXPECT_FALSE(ec); |
| } |
| |
| |
| |
| TEST(BinaryWriterTest, obj_relocs_armv7) { |
| SmallString<128> tmpFl; |
| { |
| NormalizedFile f; |
| f.arch = lld::MachOLinkingContext::arch_armv7; |
| f.fileType = MH_OBJECT; |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; |
| f.os = lld::MachOLinkingContext::OS::macOSX; |
| f.sections.resize(1); |
| Section& text = f.sections.front(); |
| text.segmentName = "__TEXT"; |
| text.sectionName = "__text"; |
| text.type = S_REGULAR; |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS); |
| text.alignment = 4; |
| text.address = 0; |
| const uint8_t textBytes[] = { |
| 0xff, 0xf7, 0xfe, 0xef, 0x40, 0xf2, 0x05, 0x01, |
| 0xc0, 0xf2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0xbf }; |
| |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); |
| text.relocations.push_back(makeReloc(0x00, true, true, |
| ARM_THUMB_RELOC_BR22, 2)); |
| text.relocations.push_back(makeScatReloc(0x04, |
| ARM_RELOC_HALF_SECTDIFF, 0x10)); |
| text.relocations.push_back(makeScatReloc(0x00, |
| ARM_RELOC_PAIR, 0xC)); |
| text.relocations.push_back(makeScatReloc(0x08, |
| ARM_RELOC_HALF_SECTDIFF, 0x10)); |
| text.relocations.push_back(makeScatReloc(0x00, |
| ARM_RELOC_PAIR, 0xC)); |
| text.relocations.push_back(makeReloc(0x0C, false, true, |
| ARM_RELOC_VANILLA, 2)); |
| |
| f.globalSymbols.push_back(makeThumbSymbol("_foo", 0x00)); |
| f.globalSymbols.push_back(makeThumbSymbol("_foo2", 0x10)); |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); |
| |
| std::error_code ec = |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); |
| EXPECT_FALSE(ec); |
| llvm::Error ec2 = writeBinary(f, tmpFl); |
| EXPECT_FALSE(ec2); |
| } |
| std::unique_ptr<MemoryBuffer> bufferOwner; |
| std::unique_ptr<NormalizedFile> f2; |
| fromBinary(tmpFl, bufferOwner, f2, "armv7"); |
| |
| EXPECT_EQ(lld::MachOLinkingContext::arch_armv7, f2->arch); |
| EXPECT_EQ(MH_OBJECT, f2->fileType); |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); |
| |
| EXPECT_TRUE(f2->localSymbols.empty()); |
| EXPECT_EQ(2UL, f2->globalSymbols.size()); |
| const Symbol& fooDef = f2->globalSymbols[0]; |
| EXPECT_TRUE(fooDef.name.equals("_foo")); |
| EXPECT_EQ(N_SECT, fooDef.type); |
| EXPECT_EQ(1, fooDef.sect); |
| EXPECT_EQ(SymbolScope(N_EXT), fooDef.scope); |
| const Symbol& foo2Def = f2->globalSymbols[1]; |
| EXPECT_TRUE(foo2Def.name.equals("_foo2")); |
| EXPECT_EQ(N_SECT, foo2Def.type); |
| EXPECT_EQ(1, foo2Def.sect); |
| EXPECT_EQ(SymbolScope(N_EXT), foo2Def.scope); |
| |
| EXPECT_EQ(1UL, f2->undefinedSymbols.size()); |
| const Symbol& barUndef = f2->undefinedSymbols[0]; |
| EXPECT_TRUE(barUndef.name.equals("_bar")); |
| EXPECT_EQ(N_UNDF, barUndef.type); |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); |
| |
| EXPECT_EQ(1UL, f2->sections.size()); |
| const Section& text = f2->sections[0]; |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(text.sectionName.equals("__text")); |
| EXPECT_EQ(S_REGULAR, text.type); |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)text.alignment, 4U); |
| EXPECT_EQ(text.address, Hex64(0x0)); |
| EXPECT_EQ(18UL, text.content.size()); |
| const Relocation& blx = text.relocations[0]; |
| EXPECT_EQ(blx.offset, Hex32(0x0)); |
| EXPECT_EQ(blx.scattered, false); |
| EXPECT_EQ(blx.type, ARM_THUMB_RELOC_BR22); |
| EXPECT_EQ(blx.pcRel, true); |
| EXPECT_EQ(blx.length, 2); |
| EXPECT_EQ(blx.isExtern, true); |
| EXPECT_EQ(blx.symbol, 2U); |
| const Relocation& movw1 = text.relocations[1]; |
| EXPECT_EQ(movw1.offset, Hex32(0x4)); |
| EXPECT_EQ(movw1.scattered, true); |
| EXPECT_EQ(movw1.type, ARM_RELOC_HALF_SECTDIFF); |
| EXPECT_EQ(movw1.length, 2); |
| EXPECT_EQ(movw1.value, 0x10U); |
| const Relocation& movw2 = text.relocations[2]; |
| EXPECT_EQ(movw2.offset, Hex32(0x0)); |
| EXPECT_EQ(movw2.scattered, true); |
| EXPECT_EQ(movw2.type, ARM_RELOC_PAIR); |
| EXPECT_EQ(movw2.length, 2); |
| EXPECT_EQ(movw2.value, Hex32(0xC)); |
| const Relocation& movt1 = text.relocations[3]; |
| EXPECT_EQ(movt1.offset, Hex32(0x8)); |
| EXPECT_EQ(movt1.scattered, true); |
| EXPECT_EQ(movt1.type, ARM_RELOC_HALF_SECTDIFF); |
| EXPECT_EQ(movt1.length, 2); |
| EXPECT_EQ(movt1.value, Hex32(0x10)); |
| const Relocation& movt2 = text.relocations[4]; |
| EXPECT_EQ(movt2.offset, Hex32(0x0)); |
| EXPECT_EQ(movt2.scattered, true); |
| EXPECT_EQ(movt2.type, ARM_RELOC_PAIR); |
| EXPECT_EQ(movt2.length, 2); |
| EXPECT_EQ(movt2.value, Hex32(0xC)); |
| const Relocation& absPointer = text.relocations[5]; |
| EXPECT_EQ(absPointer.offset, Hex32(0xC)); |
| EXPECT_EQ(absPointer.type, ARM_RELOC_VANILLA); |
| EXPECT_EQ(absPointer.length, 2); |
| EXPECT_EQ(absPointer.isExtern, true); |
| EXPECT_EQ(absPointer.symbol, 2U); |
| |
| // lld::errs() << "temp = " << tmpFl << "\n"; |
| bufferOwner.reset(nullptr); |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); |
| EXPECT_FALSE(ec); |
| } |
| |
| |
| |
| TEST(BinaryWriterTest, obj_relocs_ppc) { |
| SmallString<128> tmpFl; |
| { |
| NormalizedFile f; |
| f.arch = lld::MachOLinkingContext::arch_ppc; |
| f.fileType = MH_OBJECT; |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; |
| f.os = lld::MachOLinkingContext::OS::macOSX; |
| f.sections.resize(1); |
| Section& text = f.sections.front(); |
| text.segmentName = "__TEXT"; |
| text.sectionName = "__text"; |
| text.type = S_REGULAR; |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS); |
| text.alignment = 4; |
| text.address = 0; |
| const uint8_t textBytes[] = { |
| 0x48, 0x00, 0x00, 0x01, 0x40, 0x82, 0xff, 0xfc, |
| 0x3c, 0x62, 0x00, 0x00, 0x3c, 0x62, 0x00, 0x00, |
| 0x80, 0x63, 0x00, 0x24, 0x80, 0x63, 0x00, 0x24, |
| 0x3c, 0x40, 0x00, 0x00, 0x3c, 0x60, 0x00, 0x00, |
| 0x80, 0x42, 0x00, 0x28, 0x80, 0x63, 0x00, 0x28, |
| 0x60, 0x00, 0x00, 0x00 }; |
| |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); |
| text.relocations.push_back(makeReloc(0x00, true, true, |
| PPC_RELOC_BR24, 2)); |
| text.relocations.push_back(makeReloc(0x04, true, true, |
| PPC_RELOC_BR14, 2)); |
| text.relocations.push_back(makeScatReloc(0x08, |
| PPC_RELOC_HI16_SECTDIFF, 0x28)); |
| text.relocations.push_back(makeScatReloc(0x24, |
| PPC_RELOC_PAIR, 0x4)); |
| text.relocations.push_back(makeScatReloc(0x0C, |
| PPC_RELOC_HA16_SECTDIFF, 0x28)); |
| text.relocations.push_back(makeScatReloc(0x24, |
| PPC_RELOC_PAIR, 0x4)); |
| text.relocations.push_back(makeScatReloc(0x10, |
| PPC_RELOC_LO16_SECTDIFF, 0x28)); |
| text.relocations.push_back(makeScatReloc(0x00, |
| PPC_RELOC_PAIR, 0x4)); |
| text.relocations.push_back(makeScatReloc(0x14, |
| PPC_RELOC_LO14_SECTDIFF, 0x28)); |
| text.relocations.push_back(makeScatReloc(0x00, |
| PPC_RELOC_PAIR, 0x4)); |
| text.relocations.push_back(makeReloc(0x18, false, false, |
| PPC_RELOC_HI16, 1)); |
| text.relocations.push_back(makeReloc(0x28, false, false, |
| PPC_RELOC_PAIR, 0)); |
| text.relocations.push_back(makeReloc(0x1C, false, false, |
| PPC_RELOC_HA16, 1)); |
| text.relocations.push_back(makeReloc(0x28, false, false, |
| PPC_RELOC_PAIR, 0)); |
| text.relocations.push_back(makeReloc(0x20, false, false, |
| PPC_RELOC_LO16, 1)); |
| text.relocations.push_back(makeReloc(0x00, false, false, |
| PPC_RELOC_PAIR, 0)); |
| text.relocations.push_back(makeReloc(0x24, false, false, |
| PPC_RELOC_LO14, 1)); |
| text.relocations.push_back(makeReloc(0x00, false, false, |
| PPC_RELOC_PAIR, 0)); |
| |
| f.globalSymbols.push_back(makeSymbol("_foo", 0x00)); |
| f.globalSymbols.push_back(makeSymbol("_foo2", 0x28)); |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); |
| |
| std::error_code ec = |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); |
| EXPECT_FALSE(ec); |
| llvm::Error ec2 = writeBinary(f, tmpFl); |
| EXPECT_FALSE(ec2); |
| } |
| std::unique_ptr<MemoryBuffer> bufferOwner; |
| std::unique_ptr<NormalizedFile> f2; |
| fromBinary(tmpFl, bufferOwner, f2, "ppc"); |
| |
| EXPECT_EQ(lld::MachOLinkingContext::arch_ppc, f2->arch); |
| EXPECT_EQ(MH_OBJECT, f2->fileType); |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); |
| |
| EXPECT_TRUE(f2->localSymbols.empty()); |
| EXPECT_EQ(2UL, f2->globalSymbols.size()); |
| const Symbol& fooDef = f2->globalSymbols[0]; |
| EXPECT_TRUE(fooDef.name.equals("_foo")); |
| EXPECT_EQ(N_SECT, fooDef.type); |
| EXPECT_EQ(1, fooDef.sect); |
| EXPECT_EQ(SymbolScope(N_EXT), fooDef.scope); |
| const Symbol& foo2Def = f2->globalSymbols[1]; |
| EXPECT_TRUE(foo2Def.name.equals("_foo2")); |
| EXPECT_EQ(N_SECT, foo2Def.type); |
| EXPECT_EQ(1, foo2Def.sect); |
| EXPECT_EQ(SymbolScope(N_EXT), foo2Def.scope); |
| |
| EXPECT_EQ(1UL, f2->undefinedSymbols.size()); |
| const Symbol& barUndef = f2->undefinedSymbols[0]; |
| EXPECT_TRUE(barUndef.name.equals("_bar")); |
| EXPECT_EQ(N_UNDF, barUndef.type); |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); |
| |
| EXPECT_EQ(1UL, f2->sections.size()); |
| const Section& text = f2->sections[0]; |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(text.sectionName.equals("__text")); |
| EXPECT_EQ(S_REGULAR, text.type); |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS |
| | S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)text.alignment, 4U); |
| EXPECT_EQ(text.address, Hex64(0x0)); |
| EXPECT_EQ(44UL, text.content.size()); |
| const Relocation& br24 = text.relocations[0]; |
| EXPECT_EQ(br24.offset, Hex32(0x0)); |
| EXPECT_EQ(br24.scattered, false); |
| EXPECT_EQ(br24.type, PPC_RELOC_BR24); |
| EXPECT_EQ(br24.pcRel, true); |
| EXPECT_EQ(br24.length, 2); |
| EXPECT_EQ(br24.isExtern, true); |
| EXPECT_EQ(br24.symbol, 2U); |
| const Relocation& br14 = text.relocations[1]; |
| EXPECT_EQ(br14.offset, Hex32(0x4)); |
| EXPECT_EQ(br14.scattered, false); |
| EXPECT_EQ(br14.type, PPC_RELOC_BR14); |
| EXPECT_EQ(br14.pcRel, true); |
| EXPECT_EQ(br14.length, 2); |
| EXPECT_EQ(br14.isExtern, true); |
| EXPECT_EQ(br14.symbol, 2U); |
| const Relocation& pichi1 = text.relocations[2]; |
| EXPECT_EQ(pichi1.offset, Hex32(0x8)); |
| EXPECT_EQ(pichi1.scattered, true); |
| EXPECT_EQ(pichi1.type, PPC_RELOC_HI16_SECTDIFF); |
| EXPECT_EQ(pichi1.length, 2); |
| EXPECT_EQ(pichi1.value, 0x28U); |
| const Relocation& pichi2 = text.relocations[3]; |
| EXPECT_EQ(pichi2.offset, Hex32(0x24)); |
| EXPECT_EQ(pichi2.scattered, true); |
| EXPECT_EQ(pichi2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(pichi2.length, 2); |
| EXPECT_EQ(pichi2.value, 0x4U); |
| const Relocation& picha1 = text.relocations[4]; |
| EXPECT_EQ(picha1.offset, Hex32(0xC)); |
| EXPECT_EQ(picha1.scattered, true); |
| EXPECT_EQ(picha1.type, PPC_RELOC_HA16_SECTDIFF); |
| EXPECT_EQ(picha1.length, 2); |
| EXPECT_EQ(picha1.value, 0x28U); |
| const Relocation& picha2 = text.relocations[5]; |
| EXPECT_EQ(picha2.offset, Hex32(0x24)); |
| EXPECT_EQ(picha2.scattered, true); |
| EXPECT_EQ(picha2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(picha2.length, 2); |
| EXPECT_EQ(picha2.value, 0x4U); |
| const Relocation& piclo1 = text.relocations[6]; |
| EXPECT_EQ(piclo1.offset, Hex32(0x10)); |
| EXPECT_EQ(piclo1.scattered, true); |
| EXPECT_EQ(piclo1.type, PPC_RELOC_LO16_SECTDIFF); |
| EXPECT_EQ(piclo1.length, 2); |
| EXPECT_EQ(piclo1.value, 0x28U); |
| const Relocation& piclo2 = text.relocations[7]; |
| EXPECT_EQ(piclo2.offset, Hex32(0x0)); |
| EXPECT_EQ(piclo2.scattered, true); |
| EXPECT_EQ(piclo2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(piclo2.length, 2); |
| EXPECT_EQ(piclo2.value, 0x4U); |
| const Relocation& picloa1 = text.relocations[8]; |
| EXPECT_EQ(picloa1.offset, Hex32(0x14)); |
| EXPECT_EQ(picloa1.scattered, true); |
| EXPECT_EQ(picloa1.type, PPC_RELOC_LO14_SECTDIFF); |
| EXPECT_EQ(picloa1.length, 2); |
| EXPECT_EQ(picloa1.value, 0x28U); |
| const Relocation& picloa2 = text.relocations[9]; |
| EXPECT_EQ(picloa2.offset, Hex32(0x0)); |
| EXPECT_EQ(picloa2.scattered, true); |
| EXPECT_EQ(picloa2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(picloa2.length, 2); |
| EXPECT_EQ(picloa2.value, 0x4U); |
| const Relocation& abshi1 = text.relocations[10]; |
| EXPECT_EQ(abshi1.offset, Hex32(0x18)); |
| EXPECT_EQ(abshi1.scattered, false); |
| EXPECT_EQ(abshi1.type, PPC_RELOC_HI16); |
| EXPECT_EQ(abshi1.length, 2); |
| EXPECT_EQ(abshi1.symbol, 1U); |
| const Relocation& abshi2 = text.relocations[11]; |
| EXPECT_EQ(abshi2.offset, Hex32(0x28)); |
| EXPECT_EQ(abshi2.scattered, false); |
| EXPECT_EQ(abshi2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(abshi2.length, 2); |
| EXPECT_EQ(abshi2.symbol, 0U); |
| const Relocation& absha1 = text.relocations[12]; |
| EXPECT_EQ(absha1.offset, Hex32(0x1C)); |
| EXPECT_EQ(absha1.scattered, false); |
| EXPECT_EQ(absha1.type, PPC_RELOC_HA16); |
| EXPECT_EQ(absha1.length, 2); |
| EXPECT_EQ(absha1.symbol, 1U); |
| const Relocation& absha2 = text.relocations[13]; |
| EXPECT_EQ(absha2.offset, Hex32(0x28)); |
| EXPECT_EQ(absha2.scattered, false); |
| EXPECT_EQ(absha2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(absha2.length, 2); |
| EXPECT_EQ(absha2.symbol, 0U); |
| const Relocation& abslo1 = text.relocations[14]; |
| EXPECT_EQ(abslo1.offset, Hex32(0x20)); |
| EXPECT_EQ(abslo1.scattered, false); |
| EXPECT_EQ(abslo1.type, PPC_RELOC_LO16); |
| EXPECT_EQ(abslo1.length, 2); |
| EXPECT_EQ(abslo1.symbol, 1U); |
| const Relocation& abslo2 = text.relocations[15]; |
| EXPECT_EQ(abslo2.offset, Hex32(0x00)); |
| EXPECT_EQ(abslo2.scattered, false); |
| EXPECT_EQ(abslo2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(abslo2.length, 2); |
| EXPECT_EQ(abslo2.symbol, 0U); |
| const Relocation& absloa1 = text.relocations[16]; |
| EXPECT_EQ(absloa1.offset, Hex32(0x24)); |
| EXPECT_EQ(absloa1.scattered, false); |
| EXPECT_EQ(absloa1.type, PPC_RELOC_LO14); |
| EXPECT_EQ(absloa1.length, 2); |
| EXPECT_EQ(absloa1.symbol, 1U); |
| const Relocation& absloa2 = text.relocations[17]; |
| EXPECT_EQ(absloa2.offset, Hex32(0x00)); |
| EXPECT_EQ(absloa2.scattered, false); |
| EXPECT_EQ(absloa2.type, PPC_RELOC_PAIR); |
| EXPECT_EQ(absloa2.length, 2); |
| EXPECT_EQ(absloa2.symbol, 0U); |
| |
| bufferOwner.reset(nullptr); |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); |
| EXPECT_FALSE(ec); |
| } |
